New Dwarf Planet Hiding in Our Solar System? | NOVA | PBS

Oct 28, 2026

Scientists might have found a new dwarf planet! Meet 2026 ED138, an incredibly bright object beyond Pluto, billions of miles away from Earth. A team of scientists spotted it for the first time using the new Vera C. Rubin Observatory in Chile, equipped with an 8.4 meter telescope that has the world’s largest digital camera.

How was it able to stay hidden for so long? Follow the story of how scientists made this discovery -- and what they still need to learn before it can be officially declared a dwarf planet, joining the club with Pluto, Ceres and others.

Read more about it here: https://www.wgbh.org/news/local/2026-...

Photo Credit: NSF–DOE Rubin Observatory/NOIRLab/SLAC/AURA/B. Quint

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